지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
The purpose of this study was to investigate possible age differences in the attenuation of acceleration in the upper body (from pelvis through shoulder to head) during fast walking. Thirty young and 29 elderly subjects participated in this study. Wireless acceleration sensors were attached on head, shoulder, and pelvis. Subjects performed two trials of fast walking on a treadmill, where the fast speed was defined as 1.5 times of the comfortable speed. Root-mean-squared (RMS) accelerations of each axis were compared with age group and sensor position as independent factors. In the AP direction, the pelvis acceleration was greater in the young and the shoulder-to-head attenuation was also greater in the young (p<0.001), so that the head acceleration was comparable between age groups (p=0.581). In the ML direction, the pelvis acceleration was greater in the young and also the pelvis-to-shoulder attenuation was greater in the young (p<0.001), so that the head acceleration was greater in the elderly group (p<0.001). Insufficient attenuation ML acceleration in the elderly resulting in the greater acceleration in the head may deteriorate the balance control which utilize feedback signals from the sensory organs in head, e.g., vestibular and visual systems.
목차
Abstract
1. 서론
2. 본론
3. 결과 및 고찰
4. 결론
References
참고문헌 (14)
참고문헌 신청
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W.P. Berg, H.M. Alessio, E.M. Mills, C. Tong, “Circumstances and consequences of falls in independent community-dwelling older adults,” Age Ageing,. pp. 261-268, 1997.
J.H. Hong, K.T. Park, “Elderly gait characteristic and Assistive technology,” Journal of the KSME., pp. 61-65, Jan. 2004.
R.W. Bohannon, A.W. Andrews, M.W. Thomas, “Walking speed: reference values and correlates for older adults,“ J Orthop Sports Phys Ther,. pp. 86-90, 1996.
M.E. Feltner, P.G. MacRae, J.L. MNitt-Gray, “Quantitative gait assessment as a predictor of pro- spective and retrospective falls in community-dwelling older women,” Arch Phys Med Rehabil,. pp. 447-453, 1994.
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